<template>
  <div>
    <!--面包屑导航-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区-->
    <el-card>
      <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
      <div id="main" style="width: 800px;height:400px;"></div>
    </el-card>
  </div>
</template>
<script>
  import echarts from 'echarts'
  import _ from 'lodash'
    export default {
        name: "Report",
      data(){
          return {
            options: {
              title: {
                text: '用户来源'
              },
              tooltip: {
                trigger: 'axis',
                axisPointer: {
                  type: 'cross',
                  label: {
                    backgroundColor: '#E9EEF3'
                  }
                }
              },
              grid: {
                left: '3%',
                right: '10%',
                bottom: '3%',
                containLabel: true
              },
              xAxis: [
                {
                  boundaryGap: false
                }
              ],
              yAxis: [
                {
                  type: 'value'
                }
              ]
            }
          }
      },
      created() {
      },
      //此时 页面上的元素已经被渲染完毕
      async mounted() {
        // 基于准备好的dom，初始化echarts实例
        const myChart = echarts.init(document.getElementById('main'));
        const {data:res} = await this.$axios.get("getReport");
        if(res.code != 200){
         return this.$message.error("获取报表数据失败")
        }
        this.$message.success("获取报表数据成功");
        const data = _.merge(res.data,this.options);
        myChart.setOption(data);
        //console.log(res);
        // 指定图表的配置项和数据
        var option = {
          title: {
            text: 'ECharts 入门示例'
          },
          tooltip: {},
          legend: {
            data:['销量']
          },
          xAxis: {
            data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
          },
          yAxis: {},
          series: [{
            name: '销量',
            type: 'bar',
            data: [5, 20, 36, 10, 10, 20]
          }]
        };
        //myChart.setOption(option);
      },
      methods:{

      }
    }
</script>

<style scoped>

</style>
